[evolution/wip/gsettings] Bug #650671 - Service connect/disconnect not cancelled properly

[Rodrigo Moya <rodrigo src gnome org>]

commit a57097559c1c3985a20af5be9be50e489ddee001
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jul 1 20:01:45 2011 +0200

    Bug #650671 - Service connect/disconnect not cancelled properly

 mail/e-mail-session-utils.c      |   10 ++++---
 mail/e-mail-session.c            |    4 +-
 mail/e-mail-store-utils.c        |    6 +++-
 mail/em-folder-utils.c           |    6 ++--
 mail/em-utils.c                  |   49 ++++++++++++++++++++++++++++++++++++++
 mail/em-utils.h                  |    3 ++
 mail/mail-ops.c                  |    8 +++---
 mail/mail-vfolder.c              |    2 +-
 modules/mail/e-mail-shell-view.c |    4 +-
 9 files changed, 74 insertions(+), 18 deletions(-)
---
diff --git a/mail/e-mail-session-utils.c b/mail/e-mail-session-utils.c
index 4e90a19..823852e 100644
--- a/mail/e-mail-session-utils.c
+++ b/mail/e-mail-session-utils.c
@@ -22,6 +22,8 @@
 
 #include "e-mail-session-utils.h"
 
+#include "em-utils.h"
+
 #include <glib/gi18n-lib.h>
 
 #include <mail/mail-tools.h>
@@ -423,7 +425,7 @@ mail_session_send_to_thread (GSimpleAsyncResult *simple,
 			did_connect = TRUE;
 
 			/* XXX This API does not allow for cancellation. */
-			if (!camel_service_connect_sync (service, &error)) {
+			if (!em_utils_connect_service_sync (service, cancellable, &error)) {
 				g_simple_async_result_set_from_error (simple, error);
 				g_error_free (error);
 				return;
@@ -441,7 +443,7 @@ mail_session_send_to_thread (GSimpleAsyncResult *simple,
 			context->recipients, cancellable, &error);
 
 		if (did_connect)
-			camel_service_disconnect_sync (service, error == NULL, error ? NULL : &error);
+			em_utils_disconnect_service_sync (service, error == NULL, cancellable, error ? NULL : &error);
 
 		if (error != NULL) {
 			g_simple_async_result_set_from_error (simple, error);
@@ -871,8 +873,8 @@ e_mail_session_unsubscribe_folder_sync (EMailSession *session,
 
 	/* FIXME This should take our GCancellable. */
 	success =
-		camel_service_connect_sync (
-			CAMEL_SERVICE (store), error) &&
+		em_utils_connect_service_sync (
+			CAMEL_SERVICE (store), cancellable, error) &&
 		camel_store_unsubscribe_folder_sync (
 			store, folder_name, cancellable, error);
 
diff --git a/mail/e-mail-session.c b/mail/e-mail-session.c
index 6b38d70..1a3b9e8 100644
--- a/mail/e-mail-session.c
+++ b/mail/e-mail-session.c
@@ -1045,7 +1045,7 @@ e_mail_session_get_inbox_sync (EMailSession *session,
 	if (!CAMEL_IS_STORE (service))
 		return NULL;
 
-	if (!camel_service_connect_sync (service, error))
+	if (!em_utils_connect_service_sync (service, cancellable, error))
 		return NULL;
 
 	return camel_store_get_inbox_folder_sync (
@@ -1144,7 +1144,7 @@ e_mail_session_get_trash_sync (EMailSession *session,
 	if (!CAMEL_IS_STORE (service))
 		return NULL;
 
-	if (!camel_service_connect_sync (service, error))
+	if (!em_utils_connect_service_sync (service, cancellable, error))
 		return NULL;
 
 	return camel_store_get_trash_folder_sync (
diff --git a/mail/e-mail-store-utils.c b/mail/e-mail-store-utils.c
index c0d2466..1b9713b 100644
--- a/mail/e-mail-store-utils.c
+++ b/mail/e-mail-store-utils.c
@@ -20,6 +20,8 @@
 #include <config.h>
 #endif
 
+#include "em-utils.h"
+
 #include "e-mail-store-utils.h"
 
 #include <glib/gi18n-lib.h>
@@ -175,7 +177,7 @@ mail_store_go_offline_thread (GSimpleAsyncResult *simple,
 				disco_store, CAMEL_DISCO_STORE_OFFLINE,
 				cancellable, &error);
 		else
-			camel_service_disconnect_sync (service, TRUE, &error);
+			em_utils_disconnect_service_sync (service, TRUE, cancellable, &error);
 
 	} else if (CAMEL_IS_OFFLINE_STORE (store)) {
 		CamelOfflineStore *offline_store;
@@ -186,7 +188,7 @@ mail_store_go_offline_thread (GSimpleAsyncResult *simple,
 			offline_store, FALSE, cancellable, &error);
 
 	} else
-		camel_service_disconnect_sync (service, TRUE, &error);
+		em_utils_disconnect_service_sync (service, TRUE, cancellable, &error);
 
 	if (error != NULL) {
 		g_simple_async_result_set_from_error (simple, error);
diff --git a/mail/em-folder-utils.c b/mail/em-folder-utils.c
index e5a3543..4650405 100644
--- a/mail/em-folder-utils.c
+++ b/mail/em-folder-utils.c
@@ -345,7 +345,7 @@ emfu_copy_folder_selected (EMailBackend *backend,
 	session = e_mail_backend_get_session (backend);
 
 	service = CAMEL_SERVICE (cfd->source_store);
-	camel_service_connect_sync (service, &local_error);
+	em_utils_connect_service_sync (service, NULL, &local_error);
 
 	if (local_error != NULL) {
 		e_mail_backend_submit_alert (
@@ -373,8 +373,8 @@ emfu_copy_folder_selected (EMailBackend *backend,
 		tostore = NULL;
 
 	if (tostore != NULL)
-		camel_service_connect_sync (
-			CAMEL_SERVICE (tostore), &local_error);
+		em_utils_connect_service_sync (
+			CAMEL_SERVICE (tostore), NULL, &local_error);
 
 	if (local_error != NULL) {
 		e_mail_backend_submit_alert (
diff --git a/mail/em-utils.c b/mail/em-utils.c
index 3239b87..a106a0c 100644
--- a/mail/em-utils.c
+++ b/mail/em-utils.c
@@ -2289,3 +2289,52 @@ em_utils_is_local_delivery_mbox_file (CamelURL *url)
 		g_file_test (url->path, G_FILE_TEST_EXISTS) &&
 		!g_file_test (url->path, G_FILE_TEST_IS_DIR);
 }
+
+static void
+cancel_service_connect_cb (GCancellable *cancellable, CamelService *service)
+{
+	g_return_if_fail (service != NULL);
+	g_return_if_fail (CAMEL_IS_SERVICE (service));
+
+	camel_service_cancel_connect (service);
+}
+
+gboolean
+em_utils_connect_service_sync (CamelService *service, GCancellable *cancellable, GError **error)
+{
+	gboolean res;
+	gulong handler_id = 0;
+
+	g_return_val_if_fail (service != NULL, FALSE);
+	g_return_val_if_fail (CAMEL_IS_SERVICE (service), FALSE);
+
+	if (cancellable)
+		handler_id = g_cancellable_connect (cancellable, G_CALLBACK (cancel_service_connect_cb), service, NULL);
+
+	res = camel_service_connect_sync (service, error);
+
+	if (handler_id)
+		g_cancellable_disconnect (cancellable, handler_id);
+
+	return res;
+}
+
+gboolean
+em_utils_disconnect_service_sync (CamelService *service, gboolean clean, GCancellable *cancellable, GError **error)
+{
+	gboolean res;
+	gulong handler_id = 0;
+
+	g_return_val_if_fail (service != NULL, FALSE);
+	g_return_val_if_fail (CAMEL_IS_SERVICE (service), FALSE);
+
+	if (cancellable)
+		handler_id = g_cancellable_connect (cancellable, G_CALLBACK (cancel_service_connect_cb), service, NULL);
+
+	res = camel_service_disconnect_sync (service, clean, error);
+
+	if (handler_id)
+		g_cancellable_disconnect (cancellable, handler_id);
+
+	return res;
+}
diff --git a/mail/em-utils.h b/mail/em-utils.h
index c516f15..cb547e0 100644
--- a/mail/em-utils.h
+++ b/mail/em-utils.h
@@ -96,6 +96,9 @@ void emu_restore_folder_tree_state (EMFolderTree *folder_tree);
 
 gboolean em_utils_is_local_delivery_mbox_file (CamelURL *url);
 
+gboolean em_utils_connect_service_sync (CamelService *service, GCancellable *cancellable, GError **error);
+gboolean em_utils_disconnect_service_sync (CamelService *service, gboolean clean, GCancellable *cancellable, GError **error);
+
 G_END_DECLS
 
 #endif /* __EM_UTILS_H__ */
diff --git a/mail/mail-ops.c b/mail/mail-ops.c
index 0b3e27d..cf8453a 100644
--- a/mail/mail-ops.c
+++ b/mail/mail-ops.c
@@ -339,7 +339,7 @@ fail:
 	/* also disconnect if not a local delivery mbox;
 	   there is no need to keep the connection alive forever */
 	if (!is_local_delivery)
-		camel_service_disconnect_sync (CAMEL_SERVICE (m->store), TRUE, NULL);
+		em_utils_disconnect_service_sync (CAMEL_SERVICE (m->store), TRUE, cancellable, NULL);
 }
 
 static void
@@ -580,8 +580,8 @@ mail_send_message (struct _send_queue_msg *m,
 	}
 
 	if (camel_address_length (recipients) > 0) {
-		if (!camel_service_connect_sync (
-			CAMEL_SERVICE (transport), error))
+		if (!em_utils_connect_service_sync (
+			CAMEL_SERVICE (transport), cancellable, error))
 			goto exit;
 
 		if (!camel_transport_send_to_sync (
@@ -1597,7 +1597,7 @@ disconnect_service_exec (struct _disconnect_msg *m,
                     GCancellable *cancellable,
                     GError **error)
 {
-	camel_service_disconnect_sync (CAMEL_SERVICE (m->store), TRUE, error);
+	em_utils_disconnect_service_sync (CAMEL_SERVICE (m->store), TRUE, cancellable, error);
 }
 
 static void
diff --git a/mail/mail-vfolder.c b/mail/mail-vfolder.c
index 4c46c4d..64b31f3 100644
--- a/mail/mail-vfolder.c
+++ b/mail/mail-vfolder.c
@@ -1124,7 +1124,7 @@ vfolder_load_storage (EMailBackend *backend)
 		CAMEL_SESSION (session), "vfolder",
 		storeuri, CAMEL_PROVIDER_STORE, NULL);
 	if (service != NULL)
-		camel_service_connect_sync (service, NULL);
+		em_utils_connect_service_sync (service, NULL, NULL);
 	else {
 		g_warning("Cannot open vfolder store - no vfolders available");
 		return;
diff --git a/modules/mail/e-mail-shell-view.c b/modules/mail/e-mail-shell-view.c
index f342835..47b1094 100644
--- a/modules/mail/e-mail-shell-view.c
+++ b/modules/mail/e-mail-shell-view.c
@@ -553,7 +553,7 @@ all_accounts:
 	/* FIXME Complete lack of error checking here. */
 	service = camel_session_get_service (
 		CAMEL_SESSION (session), "vfolder");
-	camel_service_connect_sync (service, NULL);
+	em_utils_connect_service_sync (service, NULL, NULL);
 
 	search_folder = (CamelVeeFolder *) camel_vee_folder_new (
 		CAMEL_STORE (service), _("All Account Search"),
@@ -726,7 +726,7 @@ current_account:
 	/* FIXME Complete lack of error checking here. */
 	service = camel_session_get_service (
 		CAMEL_SESSION (session), "vfolder");
-	camel_service_connect_sync (service, NULL);
+	em_utils_connect_service_sync (service, NULL, NULL);
 
 	search_folder = (CamelVeeFolder *) camel_vee_folder_new (
 		CAMEL_STORE (service), _("Account Search"),